Prime & Composite Worksheet
Recommended for 4th Grade — 6th Grade
Prime & Composite Worksheet
Name: ____________________Date: ____________
Instructions: Identifying prime and composite numbers and writing prime factorizations.
20 problems
- Prime numbers in {3, 15, 9, 27, 25, 29} → ______
- Prime numbers in {19, 5, 3, 7, 29, 2} → ______
- Prime numbers in {29, 13, 21, 2, 12, 5} → ______
- Prime numbers in {2, 13, 25, 27, 11, 17} → ______
- Prime numbers in {2, 15, 11, 25, 21, 12} → ______
- Prime numbers in {11, 27, 8, 7, 3, 12} → ______
- Prime numbers in {5, 11, 3, 27, 7, 13} → ______
- Prime numbers in {9, 3, 5, 27, 8, 11} → ______
- Prime numbers in {9, 2, 5, 29, 11, 25} → ______
- Prime numbers in {29, 12, 9, 5, 11, 7} → ______
- Prime numbers in {17, 12, 15, 7, 25, 23} → ______
- Prime numbers in {15, 11, 7, 17, 25, 9} → ______
- Prime numbers in {5, 12, 7, 25, 11, 19} → ______
- Prime numbers in {12, 25, 29, 7, 13, 19} → ______
- Prime numbers in {2, 3, 21, 15, 8, 11} → ______
- Prime numbers in {25, 7, 11, 15, 17, 8} → ______
- Prime numbers in {2, 7, 11, 19, 17, 23} → ______
- Prime numbers in {19, 12, 8, 5, 7, 15} → ______
- Prime numbers in {7, 29, 23, 25, 27, 2} → ______
- Prime numbers in {29, 11, 19, 17, 8, 23} → ______